Date: Thu, 21 Oct 2010 08:44:48

Author: Jerry DiMarco

Subject: Re: Fire extinguisher cart


How is the water pressurized? Is it sealed first then pressurized,
or sealed while under pressure?


At 10/21/2010 09:17 AM, you wrote:
>Water is non-compessable.
>If the tank ruptures, the pressure is immediately off so no schrapnel
>flying about.
>Jerry H.
>At 09:10 AM 10/21/2010, you wrote:
>>What's the speed of sound in water compared to gas...? Why does the
>>liquid only leak out? What would happen if gas was used instead??
>>-----Original Message-----
>>Long, long ago in a galaxy far far away, I worked in the oil and gas
>>One part was the construction of gas and oil treatment facilities as
>>well as pipelines.
>>The process was that I would weld together segments of pipeline or
>>tanks and the hydrotest them.
>>In that case hydrotesting involved filling them with water at very
>>high pressures, sealing it and monitoring the pressure for any loss.
>>Why water? Because it only leaks, it doesn't explode the pipeline or tank.
>>Jerry H.

From Thu Oct 21 11:12:13 2010